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Shenzhen Public Security Bureau Longgang Branch
Electronic and Intelligent System of Longgang Branch of Shenzhen Public Security Bureau
Longgang Branch Fire Supervision and Management Brigade
Electronic and Intelligent System of Fire Supervision and Management Brigade of Longgang Branch
Shenzhen Tengsai Industrial Development Co., Ltd.
Shenzhen Tengsai Zhijian Co., Ltd.
Marketing:135 0288 7295
After-sales service:135 0289 7065
Project Management:181 2458 8668
Quality Complaint:153 2373 0256
Add: room 601-602, e-commerce building, No. 16, Longsheng Road, Longxin community, Baolong street, Longgang District, Shenzhen, Guangdong Province
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